I've been wrestling with this and I thought I would put it out there and gauge some opinions.

At 360|Flex I presented a session directed at application (Flex) developers aimed to inspire them to improve their application design skills. It was part inspirational and part instructional as I went through basic design principles they should be aware of.

The HOW Design Conference is coming to Denver, June 6-9, 2010! This
year the annual creativity, business and technology conference will
feature even more essential information and inspiration for graphic
designers, including:

If you had just one conference to attend, which of the two would you choose: UX Week San Francisco or UX London? And why?

This will be my first conference, and both look extremely appealing. I don't think I can lose either way, but I can only afford to go to one. I live in California myself and the travel to San Francisco would be minimal, although the experience of a trip to London would be incredible.

What are your thoughts? Any experience in either conferences of the past?